Two obscure astronomers, grad student Kate Dibiasky (Jennifer Lawrence) and her supervisor, Dr Randall Mindy (Leonardo DiCaprio) detect a comet heading straight for Earth. The numbers are incontrovertible; it’s a planet killer, destined to wipe out humanity. They take the info to the authorities, only to smack up against indifference, disbelief, and political self-interest, chiefly from President ...